St. Severus of Ravenna
Roman Martyrology: At Ravenna, the holy bishop Severus, whose great virtues deserved that he should be raised to the episcopate by the sign of a dove.
Born at Ravenna, Italy. Bishop of Ravenna, Italy in 283. Attended the Council of Sardica in 344.
He died onc.348, at some point his relics were taken to Pavia. In 836, the relics were transferred to Erfurt, Germany.
He is the patron of hatters.